RF Tank Mounted Return Filter

RF Tank Mounted Return Filter

5 day ago

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Ningbo Hengnuo Hydraulic Drive Co.,Ltd

 4 year year

Product details

RF Tank Mounted Return Filter

Product Overview

RF Tank Mounted Return Filter is a high‑efficiency return‑line FILTER, designed for the hydraulic system of industrial Machine. It is mounted on the top of hydraulic oil tank, with filter element submerged inside the tank. This FILTER cleans hydraulic oil returning from the working circuit of the Machine, trapping solid contaminants generated by component wear inside the hydraulic system, before oil flows back into the oil tank. It prevents recycled impurities from re‑entering the hydraulic pump and valves, improving oil cleanliness and extending service life of the whole Machine.

This FILTER is fitted with built‑in bypass valve and optional clogging indicator. When filter element gets clogged, bypass valve opens to avoid excessive back‑pressure and guarantee normal oil return of the hydraulic system. Multiple flow rates and filtration precision options are available to match different hydraulic power units and industrial Machine.

Technical Specifications

- Model: RF Tank Mounted Return FILTER

- Type: Tank‑top mounted return‑line filter

- Mounting: Tank top flange installation

- Rated Flow: 25 ~ 630 L/min optional

- Filtration Accuracy: 10μm, 20μm, 30μm, 40μm

- Bypass Valve Opening Pressure: 0.35 MPa

- Clogging Indicator Signal Pressure: 0.3 MPa (optional)

- Working Medium: Anti‑wear hydraulic mineral oil, water‑glycol, phosphate‑ester fluid

- Operating Temperature: -20℃ ~ +80℃

- Feature: Built‑in bypass valve, optional clogging indicator, easy filter element replacement, reliable sealing

- Application: Return‑line filtration for hydraulic system of industrial Machine

Working Principle

When the Machine is working, hydraulic oil after completing the work cycle flows back to the oil tank through the RF return FILTER. Solid particles such as metal chips, wear debris and dust are captured by the filter element. Clean oil returns into the hydraulic oil tank.

As contaminants accumulate on the filter element, pressure drop increases. When pressure reaches 0.3 MPa, the optional clogging indicator sends out warning signal to remind maintenance. If the Machine cannot stop for servicing immediately, the built‑in bypass valve opens at 0.35 MPa, allowing partial oil to bypass the filter element. This avoids excessive back‑pressure and keeps the hydraulic system operating normally. The filter element can be replaced directly from tank top without draining all hydraulic oil.

Core Advantages

1. Tank‑top flange mounting simplifies pipeline layout of the hydraulic system, saves installation space for the Machine.

2. Built‑in bypass valve plus optional clogging indicator offer dual protection, preventing damage caused by high back‑pressure to the hydraulic system.

3. Convenient maintenance: replace filter element from tank top, no full oil draining required, reducing downtime of the Machine.

4. Wide selection of filtration precision, suitable for different cleanliness requirements of the hydraulic system.

5. Compact structure and good sealing performance, strong interchangeability, ideal spare part for equipment assembly and maintenance.

Application Range

This FILTER is widely used in the hydraulic system of hydraulic power packs, machine tools, injection molding machines, hydraulic presses, metallurgical equipment and other industrial Machine. It performs return‑line filtration, removes wear particles from circulating oil, suitable for new‑machine assembly and regular spare‑part replacement.

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Ningbo Hengnuo Hydraulic Drive Co.,Ltd

 Audited supplier

4 year

Address: Ningbo, China

Main Product: hydraulic motor, gear box, hydraulic pump, hydraulic valve , hydraulic winch, hydraulic system

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